empirical formula

(redirected from Chemical composition)
Also found in: Dictionary, Thesaurus, Medical.

empirical formula:

see formulaformula,
in chemistry, an expression showing the chemical composition of a compound. Formulas of compounds are used in writing the equations (see chemical equations) that represent chemical reactions. Compounds are combinations in fixed proportions of the chemical elements.
..... Click the link for more information.
.

empirical formula

[em′pirṁəṁkəl ′fȯrṁmyəṁlə]
(chemistry)
A chemical formula that indicates the composition of a compound in terms of the relative numbers and kinds of atoms in the simplest ratio; for example, the empirical formula for fluorobenzene is C6H5F.
References in periodicals archive ?
Still, there was little significant difference between control and treatment samples in grape chemical composition.
The results support the proposition that a star's chemical composition and the nature of its planetary system are linked.
appropriate physical and chemical properties such as the calorific value, the heat of combustion, the chemical composition of the material before and after combustion, ash content.
About the time Comte died, though, spectroscopy began to flourish, discerning the chemical composition of the sun and other stars by identifying precise frequencies of light emitted or absorbed by particular atoms.
Remelt Secondary Ingot (RSI)--Aluminum scrap that is recycled into an intermediate 3roduct without a specific chemical composition.
We also determined the mineralogical and chemical composition and particle electrostatic charge.
Coconut Cures describes why coconut water can be used and useful as an IV solution for sick patients because it has a chemical composition similar to human plasma and therefore injected directly into the blood stream while be a rich source of vitamins and minerals.
If Eve knew the seed structure and chemical composition of the apple, would she still get a thrill out of biting it?
2004) highlighted the chemical, physical, and biological differences between two widely used DEP samples, one mainly studied for pulmonary toxicity and the other for genotoxicity; before their studies, the chemical composition and biologic activity of the samples had not been compared.
The detailed pages on each gem considered are not organized alphabetically but are classified by chemical composition from carbon (diamonds) through oxides (including sapphires) to organics (pearls).
Two of the most critical factors in developing the product were the chemical composition and the heat treatment of the pipe.